Credit

Caption

Feces of an elderly man after 10 day therapy with the antibiotic Clarithromycin 0.5 g/day show a reduction in the amount of fecal bacteria. The vegetable diet shows plant residues such as xylem, tracheids, colonized with the bacteria. Enhanced SEM. Image width: 36.6 micrometers, magnification: 2735x, if the image is printed 10 cm wide.